In this post I tell you what you need to know to use your Raspberry Pi for the first time. After following these steps, you are running Raspbian on a Raspberry Pi. Assumptions You are using Ubuntu (15.10) You are using a Raspberry Pi 2 Model B You can power up the Raspberry Pi… Continue reading Raspberry Pi: First use
Raspberry Pi: Controlling your wall sockets
In this post I will describe 2 methods to operate “remote controlled sockets” via the Raspberry Pi. The methods differ in the used software. Both methods use C as development language and compile to native Raspberry Pi code (ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), dynamically linked). The prerequisites and wiring are the… Continue reading Raspberry Pi: Controlling your wall sockets
Parallel bash scripts – waiting for completion
Assume we would like to execute several independent tasks in parallel and we would like to wait till these tasks are completed. For example we would like to copy a set of files to several (remote) hosts and get a signal when we are ready with this copying task to ALL hosts so we can… Continue reading Parallel bash scripts – waiting for completion
Add your picture to Google search results – Rich snippets
Maybe you noticed the fancy Google search results containing profile pictures already. When you don’t have a clue what I mean, you can find an example of a Google Search rich snippet at the top of this article. Pretty neat don’t you think? What are you thinking.. you do want to have the same fancy… Continue reading Add your picture to Google search results – Rich snippets